On the estimation of doubly-selective fading channels

Fengzhong Qu; Liuqing Yang

doi:10.1109/TWC.2010.04.080631

On the estimation of doubly-selective fading channels

Fengzhong Qu, Liuqing Yang

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Coherent communications over doubly-selective fading channels are attracting increasing research interests because of the performance advantage over their noncoherent counterparts. In this paper, we use a simple windowing and dewindowing technique to improve the accuracy of an existing basis expansion model (BEM) and develop a windowed least-squares (WLS) estimator for doubly-selective fading channels. We also design the optimum pilot pattern for the WLS estimator. Our designs can considerably improve the channel estimation performance. Simulations are provided to corroborate our theoretical analysis.

Original language	English (US)
Article number	5441343
Pages (from-to)	1261-1265
Number of pages	5
Journal	IEEE Transactions on Wireless Communications
Volume	9
Issue number	4
DOIs	https://doi.org/10.1109/TWC.2010.04.080631
State	Published - Apr 2010
Externally published	Yes

Bibliographical note

Funding Information:
This work is in part supported by the National Science Foundation under grant No. ECS-0621879, and by the Office of Naval Research under grant No. N00014-07-1-0193. Part of the results in this paper was presented at CISS 2008, Princeton, NJ. Digital Object Identifier 10.1109/TWC.2010.04.080631

Keywords

Basis expansion model
Channel estimation
Discrete Fourier transform
Least squares
Window

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On the estimation of doubly-selective fading channels

Abstract

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Keywords

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